Fine-tune audio with a powerful equalizer.

Adjust bass, mid, and treble frequencies to get the perfect sound. Apply presets or create custom EQ curves for your audio.

Supports MP3, WAV, OGG, FLAC and more

How to use Equalizer.

4 simple steps to get started.

1
Step 1

Upload audio

Select the audio file you want to equalize.

2
Step 2

Adjust EQ

Move sliders to adjust frequency bands.

3
Step 3

Preview sound

Listen to the equalized audio in real-time.

4
Step 4

Export

Download the equalized audio file.

Why use Equalizer?

Everything you need to know about equalizer.

Equalizer — free & online

Adjust bass, mid, and treble frequencies to get the perfect sound. Apply presets or create custom EQ curves for your audio. No downloads, no sign-ups, and no file uploads to external servers. Everything runs locally in your browser using the Web Audio API, keeping your files completely private and secure.

How does Equalizer work?

Simply upload your audio file — MP3, WAV, OGG, FLAC, or M4A — and use our intuitive editor to make your changes. Upload audio, Adjust EQ, Preview sound, Export. Once you're satisfied, export the result in your preferred format instantly.

Who is Equalizer for?

Whether you're a podcaster, musician, content creator, or just someone who needs a quick audio edit, Equalizer is built for you. It works on any device — desktop, tablet, or mobile — across all modern browsers including Chrome, Firefox, Safari, and Edge.

Frequently asked questions.

Everything you need to know about Equalizer.